References
For Guapira
Acevedo-Rodríguez, P., and M.T. Strong. 2012. Catalogue of the seed plants of the West Indies. Smithsonian Contr. Bot 98. Google Scholar
Bittrich & Kühn. 1993. In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp. Google Scholar
Bogle, A.L. 1974. The genera of Nyctaginaceae in the southeastern United States. J. Arnold Arb. 55: 1-37. Google Scholar
Clement, J.S. 2003. Guapira. In Flora of North America Editorial Committee. 2003b. Flora of North America north of Mexico. Volume 4, Magnoliophyta: Caryophyllidae, part 1. Oxford Univ. Press, New York, NY. 559 pp. Google Scholar
Long, R.W., and O. Lakela. 1976. A flora of tropical Florida: a manual of the seed plants and ferns of southern peninsular Florida. Banyan Books, Miami, FL. 962 pp. Google Scholar
Tomlinson, P.B. 1986. The biology of trees native to tropical Florida. Published by the author. 480 pp. Google Scholar
Ward, D.B. 2004c. New combinations in the Florida flora II. Novon 14: 365-371. Google Scholar